Multiply -1 by -7
-9x^3 + 8x^2 - 7x/6 + 7
I think it’s none of those.
Radius is a line that reaches the middle of the circle, so like
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CA
I honestly don’t even know how to explain this- but ik that 3 should be alright to type in bc if you were to write it on a graph you would move 1 unit to the right and 3 units up from there based on the coordinates after the origin (0,0).
Adds up to 180 degrees. For two angles to be non-supplementary the must sum to anything other than 180 degrees, to be non-adjacent they can't share a common side (Ray)
